static void Main(string[] args)
{
int n = int.Parse(Console.ReadLine());
Article[] article = new Article[n];
for (int i = 0; i < n; i++)
{
string[] array = Console.ReadLine().Split(',', StringSplitOptions.RemoveEmptyEntries).ToArray();
article[i] = new Article(array[0], array[1], array[2]);
}
string order = Console.ReadLine();
switch (order)
{
case "title":
article = article.OrderBy(x => x.Title).ToArray();
foreach (var item in article)
{
Console.WriteLine(item.ToString());
}
break;
case "content":
article = article.OrderBy(x => x.Content).ToArray();
foreach (var item in article)
{
Console.WriteLine(item.ToString());
}
break;
case "author":
article = article.OrderBy(x => x.Author).ToArray();
foreach (var item in article)
{
Console.WriteLine(item.ToString());
}
break;
}
}